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홍성표,정진철 한국장애인고용공단 고용개발원 2015 장애와 고용 Vol.25 No.3
이 연구는 자격취득 여부가 장애인 재취업에 미치는 영향에 대해 분석하는데 목적이 있다. 연구방법: 장애인고용패널 1차~5차년도 자료를 활용하여 선택편의를 최소화하기 위해 경향점수매칭을 실시했다. 자격취득에 따른 재취업 여부와 기간을 분석하기 위해 생명표 분석을 사용했으며, 콕스회귀분석을 활용하여 장애인 재취업에 미치는 요인을 도출했다. 연구결과: 첫째, 자격취득자가 미취득자보다 재취업 여부, 기간, 속도에서 더 높은 수치를 보였다. 자격취득자의 경우 실업 후 48개월까지 재취업에 성공한 사람은 34.1%였으나 자격미취득자의 경우 같은 기간 동안 재취업에 성공한 사람은 11.3%에 그쳤다. 둘째, 자격을 취득한 장애인이 자격을 취득하지 않은 장애인보다 실업상태에서 벗어날 가능성이 1.579배 더 높았으며 장애정도와 건강상태, 가구원 수, 고용서비스 경험여부도 장애인이 재취업에 유의한 영향을 미치는 것으로 나타났다. 시사점: 이 연구를 통해 장애인의 자격취득 및 활용에 대한 지원이 필요하며 고용서비스 및 직업훈련과의 연계를 통해 자격취득을 촉진하는 시스템을 구축할 필요가 있음을 제시했다. The purpose of this study was to analyze whether acquisition of certificate has an effect on reemployment of disabled. Method: For the purpose of this study, the data from “Panel Survey of Employment for the Disabled” which was conducted from 2008 to 2012, was used. 622 samples were selected by using Propensity score matching to minimize the selection bias, and analyzed by the frequency and period of reemployment by using Life-Table Model. The Cox Proportional Hazard Model was also used to analyze the factor which affected the reemployment of disabled. Results: The followings were the major results. First, the difference of reemployment and time until reemployment depended on the possession one or more certificates. The percentage of disabled who possessed certificates succeeding in finding a job was 34.1% from the starting point of unemployment to 48 months, however, the percentage of disabled who did not possess certificates succeeding in finding a job was just 11.3%. This result demonstrated that the possibility of reemployment was higher with disabled who possessed one or more certificates than disabled who did not possess one or more certificates. Seconds, possessing one or more certificates had an effect on reemployment of disables. Disables who possessed one or more certificates had a 1.579 times higher chance of being reemployed compared to those who does not possess any certificate. Also, the degree of disability, conditions of health, number of family members, and the experience of employment service also had a effect on reemployment of disabled. Implications: Based on the results of this study, the support is necessary for acquisition of certificate and utilization. and constructing facilitation system which connected with job service and vocational training is demanded
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홍성표,이준 朝鮮大學校 電子情報通信硏究所 2003 電子情報通信硏究所論文誌 Vol.6 No.2
Integration with CORBA and mobile agent is improving various kinds problems that are happening in distributed system. This technology is guarantee the interoperability to other agent platforms and extend the mobile agent system but appears various kinds problems of security. In this paper, we propose the mobile agent security system that is based on CORBA security service specification and MASIF. Since proposed system is based on CORBA and MASIF, it is extend the large scale of distributed system and interoperable with other agent platforms
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패스 트랜지스터 논리를 이용한 저 전력 16×16 비트 변형된 부스 곱셈기 설계
홍성표,김정범 강원대학교 정보통신연구소 2009 정보통신논문지 Vol.13 No.-
This paper describes a low-power 16x16-bit modified Booth multiplier. To achieve low-power performance, the multiplier is designed with pass-transistor logic circuits. The pass-transistor logic circuits have excellent low-power characteristics compared with conventional CMOS logic circuits. The partial-product generator and 2's complement addition circuitry are designed with the pass-transistor logic circuits. The designed multiplier is achieved to reduce the power consumption by 22.8% and the power-delay-product by 17.5% compared with the conventional CMOS logic circuit. This circuit is designed with Hynix 0.25 itm standard CMOS process. The validity and effectiveness are verified through the HSPICE simulation.
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개인 기초연구 과제의 우수 연구 성과 창출을 위한효율적 연구비 추정 연구
홍성표,최한주 한국기술혁신학회 2020 기술혁신학회지 Vol.23 No.3
The purpose of this study is to estimate the determinants of research performance and the optimal size of basic research budget for basic individual research program. For analysis, a simultaneous equation model(SEM) of research performance and research personnel was established, and applied using 2 Stage Least Squares(2SLS). As a result of this study, optimal individual research budget by research supporting system were estimated at KRW 349,513 thousand for mid-career research program, KRW 134,097 thousand for general research program. The appropriate level of optimal individual research budget for mid-career research program and general research program is smaller than the amount currently research program budget level, therefore the SEM model is well estimated. Because these research programs have been the effects of decreasing return to research budget input since these were the qualitative research results can be improved by increasing the amount of research funding. 본 연구의 목적은 개인 기초연구 과제를 대상으로 효율적 수준의 연구비를 결정하는 요인과 연구비 규모를 추정하는데 있다. 분석을 위하여 우수 연구 성과와 연구 인력에 대한 연립방정식 모형을 구축하고 2단계 최소제곱법을 적용하여 결과를 추정하였다. 지원 체계별 효율적 연구비 수준은 중견연구 사업의 경우 349,513천 원, 기본연구 사업의 경우 134,097천 원으로 추정되었다. 중견연구 및 기본연구 사업의 효율적 연구비 수준이 현재 지원되고 있는 규모보다 적은 규모이므로 연구비 지원 규모를 더 늘림으로써 질적 연구 성과를 더 거둘 수 있지만 한계 생산 체감의 특성이 있는 것으로 나타났다.
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패스 트랜지스터 논리를 이용한 저전력 8×8 bit Modified Booth 승산기
홍성표,김정범 강원대학교 정보통신연구소 2002 정보통신논문지 Vol.6 No.-
This paper describes a low-power 8×8 bit Modified Booth multiplier. To achieve low-power performance, the multiplier is designed with pass-transistor logic(PT logic) circuits. PT logic circuits have excellent low-power characteristics compared with conventional logic circuits. The partial-product generator and 2's complement addition circuitry are designed with PT logic circuits. The proposed circuits are simulated with HSPICE under 0.6㎛ CMOS standard technology.
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홍성표,정용두,신홍섭 한국막학회 2017 한국막학회 총회 및 학술발표회 Vol.2017 No.11
Nanofiltration Membranes (NF) contain nanometer pores to selectively separate divalent ions and organic species from water. These membranes are most often made of polymeric thin films and are used in water softening applications to remove scale forming ions. NF membranes which can survive in harsh conditions such as acidic environments have drawn interests in the industry. Acid resistant nanofiltration membrane (ARM) was fabricated using interfacial polymerization reaction of a specially formulated monomers on a support layer. ARM showed durability in acidic environments. As compared to NE40, ARM showed little change in flux and divalent ion rejection after being exposed to 15% sulfuric acid solution for 30 days. The ARM showed stable performance in comparison to regular NF membranes, losing both flux and rejection.
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